Add two more SDP names for ulaw and alaw.

(closes issue #11777)
Reported by: tootai


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@98958 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/rtp.c

@@ -1339,7 +1339,9 @@ static struct {
 	{{1, AST_FORMAT_G723_1}, "audio", "G723"},
 	{{1, AST_FORMAT_GSM}, "audio", "GSM"},
 	{{1, AST_FORMAT_ULAW}, "audio", "PCMU"},
+	{{1, AST_FORMAT_ULAW}, "audio", "G711U"},
 	{{1, AST_FORMAT_ALAW}, "audio", "PCMA"},
+	{{1, AST_FORMAT_ALAW}, "audio", "G711A"},
 	{{1, AST_FORMAT_G726}, "audio", "G726-32"},
 	{{1, AST_FORMAT_ADPCM}, "audio", "DVI4"},
 	{{1, AST_FORMAT_SLINEAR}, "audio", "L16"},